package com.infore.operation.Intercepor;

import com.google.gson.Gson;
import org.apache.log4j.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

/**
 * @author:wk
 * @date:Created in 11:52 2017\12\18 0018
 */
@Aspect
@Component
public class WebLogAspect {

	private Logger logger = Logger.getLogger(getClass());

	ThreadLocal<Long> startTime = new ThreadLocal<>();

	@Pointcut("execution(public * com.infore.operation.controller..*.*(..))")
	public void webLog() {
	}

	@Before("webLog()")
	public void doBefore(JoinPoint joinPoint) throws Throwable {

		startTime.set(System.currentTimeMillis());
		// 接收到请求，记录请求内容
		ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
		HttpServletRequest request = attributes.getRequest();

//		Enumeration headers = request.getHeaderNames();
//		Map<String,Object> map = new HashMap<>();
//		if (headers!=null) {
//			while (headers.hasMoreElements()) {
//				if (headers.nextElement()!=null&& request.getHeader(headers.nextElement().toString())!=null) {
//					map.put(headers.nextElement().toString(), request.getHeader(headers.nextElement().toString()));
//				}
//			}
//		}
//		// 记录下请求内容
//		logger.info("HEADER :" +new Gson().toJson(map));
		logger.info("URL : " + request.getRequestURL().toString());
		logger.info("HTTP_METHOD : " + request.getMethod());
		logger.info("IP : " + request.getRemoteAddr());
		logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "."
				+ joinPoint.getSignature().getName());
		logger.info("ARGS : " + new Gson().toJson(joinPoint.getArgs()));
	}

	@AfterReturning(returning = "ret", pointcut = "webLog()")
	public void doAfterReturning(Object ret) throws Throwable {
		// 处理完请求，返回内容
		logger.info("RESPONSE : " + new Gson().toJson(ret));
		logger.info("SPEND TIME : " + (System.currentTimeMillis() - startTime.get()));
	}
}
